Instead of backing up every board daily (wasteful), we now:
1. Compute SHA-256 content hash for each board
2. Compare against last backed-up hash stored in R2
3. Only backup if content actually changed
Benefits:
- Reduces backup storage by 80-90%
- Enables extending retention beyond 90 days (less storage pressure)
- Each backup represents a real change, not duplicate snapshots
- Hash stored in `hashes/{room.key}.hash` for fast comparison
The cron still runs daily at midnight UTC, but now only boards
with actual changes get new backup entries.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
When pinning a shape again after unpinning, leftover state from the
previous session was causing the shape to jump/resize unexpectedly.
Changes:
- Add clearPinState() helper to reset all refs and cancel animations
- Add cleanShapeMeta() helper to remove all pin-related meta properties
- Clear all state immediately when pinning starts (before setting new state)
- Clear refs immediately when unpinning (not in setTimeout)
- Remove pinnedAtZoom from meta cleanup (legacy from CSS scaling)
- Don't call updatePinnedPosition() on pin start - shape is already
at correct position, only need to listen for future camera changes
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Replace tick event with store.listen to react synchronously when the
camera record changes. This eliminates the one-frame delay that was
causing the shape and its indicator to lag behind camera movements.
Changes:
- Use editor.store.listen instead of editor.on('tick')
- Filter for camera record changes specifically
- Remove position threshold for maximum responsiveness
- Remove unused pinnedAtZoom since CSS scaling was removed
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Pinned shapes should only stay fixed in screen position, not fixed in
visual size. The CSS transform: scale() was causing shapes to appear
differently sized when pinned.
Now pinned shapes:
- Stay at a fixed screen position (don't move when panning)
- Scale normally with zoom (get bigger/smaller like other shapes)
- Don't change appearance when pin is toggled
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Replace requestAnimationFrame polling with tldraw's 'tick' event which
fires synchronously with the render cycle. This ensures the pinned shape
position is updated BEFORE rendering, eliminating the visual lag where
the shape appeared to "chase" the camera during zooming.
Changes:
- Use editor.on('tick') instead of requestAnimationFrame polling
- Remove throttling (no longer needed with tick event)
- Reduce position tolerance from 0.5 to 0.01 for more precise tracking
- Simplify code by removing unnecessary camera tracking refs
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
When unpinning a shape, the previous code set pinnedAtZoom, originalX, and
originalY to undefined in shape.meta. This caused a ValidationError because
tldraw requires JSON serializable values (undefined is not valid JSON).
Fixed by using object destructuring to exclude these properties from meta
instead of setting them to undefined.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Pinned shapes now stay exactly the same size visually during zoom
- Uses CSS transform scale instead of changing w/h props
- Content inside shapes renders identically at all zoom levels
- Stores pinnedAtZoom in shape.meta for reference
- Returns to original position smoothly when unpinned
- Removed size-changing logic that was causing content reflow issues
The transform approach ensures text, UI elements, and all content
inside pinned shapes remain pixel-perfect regardless of canvas zoom.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Move "Create Tool" to top of context menu
- Move "Shortcut to Frames" to second position
- Remove "Collections" submenu (functionality still available via keyboard shortcuts)
- Cleaner menu structure prioritizing creation tools
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Updated CustomToolbar.tsx to use MycroZineGenerator tool
- Updated CustomContextMenu.tsx to use MycroZineGenerator in Create Tool submenu
- Updated overrides.tsx with MycroZineGenerator tool definition
- Removed all references to old MycrozineTemplate
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add validation for highlight shapes (same as draw)
- Improve segment validation to check for NaN/Infinity in point coordinates
- Add more custom shape types to valid shapes list
- Fix arrow shape validation (use start/end props instead of points array)
- Fix line shape validation (uses object format for points, not array)
- Better error messages for invalid shapes
Prevents "No nearest point found" errors when importing older files
with malformed path geometry data.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Re-enable Map tool in CustomToolbar and CustomContextMenu
- Add GPS location sharing state and UI to MapShapeUtil
- Show collaborator locations on map with colored markers
- Add toggle button to share/stop sharing your location
- Cleanup GPS watch and markers on component unmount
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Preserve tldraw-user-id-* and crypto keys on logout (prevents duplicate cursors)
- Add session-logged-in event for immediate tool enabling after login
- Add session-cleared event for component state cleanup
- Clear only session-specific data (permissions, graph cache, room ID)
- CryptIDDropdown: reset connections state on logout
- useNetworkGraph: clear graph cache on logout
The key fix is preserving tldraw user IDs across login/logout cycles.
Previously, clearing these IDs caused each login to create a new presence
record while old ones persisted in Automerge, resulting in stacked cursors.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add openCommandPalette() export function for manual triggering
- Update ? button to open the colorful Command Palette modal instead of dropdown
- Add support for manual opening with Escape and click-outside to close
- Clean up unused shortcut dropdown code and state
- Maintain Ctrl+Shift hold behavior for quick access
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Changed from email from 'noreply@canvas.jeffemmett.com' (unverified) to
'Canvas <noreply@jeffemmett.com>' (verified in Resend).
Also added RESEND_API_KEY secret to Cloudflare Worker.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Remove separate BoardSettingsDropdown button from UI panel
- Add board protection toggle and editor management to existing settings dropdown
- Show protection section only for admins (board owner or global admin)
- Add ability to toggle view-only mode for protected boards
- Add editor management UI with invite and remove functionality
- Fix TypeScript type annotations for API responses
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Added the board settings dropdown between ShareBoardButton and StarBoardButton.
Provides access to:
- Board protection toggle (view-only mode)
- Editor management for protected boards
- Admin request functionality
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
NEW PERMISSION MODEL:
- All users (including anonymous) can now EDIT by default
- Boards can be marked as "protected" by admin - only listed editors can edit
- Global admins (jeffemmett@gmail.com) have admin on ALL boards
- Added BoardSettingsDropdown with view-only toggle for admins
Backend changes:
- Added is_protected column to boards table
- Added global_admins table
- New getEffectivePermission logic prioritizes: token > global admin > owner > protection status
- New API endpoints: /auth/global-admin-status, /admin/request, /boards/:id/info, /boards/:id/editors
- Admin request sends email via Resend API
Frontend changes:
- BoardSettingsDropdown component with protection toggle and editor management
- Updated AuthContext and Board.tsx to default to 'edit' permission
- isReadOnly now only true for protected boards where user is not an editor
Task: task-052
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add "(you)" indicator on tooltip when hovering current user's node
- Ensure current user always appears in graph even with no connections
- Add new participants immediately to graph (no 30s delay)
- Implement "leave" message protocol for presence cleanup:
- Client sends leave message before disconnecting
- Server broadcasts leave to other clients on disconnect
- Clients remove presence records on receiving leave
- Generate consistent user colors from CryptID username (not session ID)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
When the browser reloads without network connectivity, the canvas now
automatically loads from local IndexedDB storage and renders the last
known state.
Changes:
- Board.tsx: Updated render condition to allow rendering when offline
with local data (isOfflineWithLocalData flag)
- useAutomergeStoreV2: Added isNetworkOnline parameter and offline fast
path that immediately loads records from Automerge doc without waiting
for network patches
- useAutomergeSyncRepo: Passes isNetworkOnline to useAutomergeStoreV2
- ConnectionStatusIndicator: Updated messaging to clarify users are
viewing locally cached canvas when offline
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add dropdown menu when clicking user nodes in network graph with options:
- Connect with <username>
- Navigate to <username> (pan to cursor)
- Screenfollow <username> (follow camera)
- Open <username>'s profile
- Fix tool visibility for logged-in users (timing issue with read-only mode)
- Fix 401 errors by correcting localStorage key from 'cryptid_session' to 'canvas_auth_session'
- Remove "(anonymous)" suffix from usernames in tooltips
- Simplify node colors to use user's profile/presence color
- Clear permission cache on logout to prevent stale state
- Various UI improvements to auth components and network graph
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Jeff Emmett